Home / 203,823.44-281,302.27-123,251.52

Finding the Fourth Proportional to 203,823.44, 281,302.27 and 123,251.52

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Solution

The fourth proportional to 203,823.44, 281,302.27 and 123,251.52 is: 170,102.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,823.44 : 281,302.27 = 123,251.52 : x
  2. Step 2: Convert to fraction form
    203,823.44/281,302.27 = 123,251.52/x
  3. Step 3: Cross multiply
    203,823.44x = 281,302.27 × 123,251.52
  4. Step 4: Simplify right side
    203,823.44x = 34,670,933,103.71
  5. Step 5: Solve for x
    x = 34,670,933,103.71/203,823.44
  6. Step 6: Final answer
    x = 170,102.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.